games/sail/pl_main.c

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  * @(#)pl_main.c        8.1 (Berkeley) 5/31/93
  34  * $FreeBSD: src/games/sail/pl_main.c,v 1.6 1999/11/30 03:49:38 billf Exp $
  35  * $DragonFly: src/games/sail/pl_main.c,v 1.4 2006/09/03 17:33:13 pavalos Exp $
  36  */
  37
  38 #include "player.h"
  39 #include <sys/types.h>
  40 #include <sys/wait.h>
  41
  42 static void     initialize(void);
  43
  44 /*ARGSUSED*/
  45 int
  46 pl_main(void)
  47 {
  48
  49         if (!SCREENTEST()) {
  50                 printf("Can't sail on this terminal.\n");
  51                 exit(1);
  52         }
  53         initialize();
  54         Signal("Aye aye, Sir", NULL);
  55         play();
  56         return 0;                       /* for lint,  play() never returns */
  57 }
  58
  59 static void
  60 initialize(void)
  61 {
  62         struct File *fp;
  63         struct ship *sp;
  64         char captain[80];
  65         char message[60];
  66         int load;
  67         int n;
  68         char *nameptr;
  69         int nat[NNATION];
  70
  71         if (game < 0) {
  72                 puts("Choose a scenario:\n");
  73                 puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  74                 for (n = 0; n < NSCENE; n++) {
  75                         /* ( */
  76                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  77                                 sync_exists(n) ? "YES" : "no",
  78                                 scene[n].name);
  79                 }
  80 reprint:
  81                 printf("\nScenario number? ");
  82                 fflush(stdout);
  83                 scanf("%d", &game);
  84                 while (getchar() != '\n')
  85                         ;
  86         }
  87         if (game < 0 || game >= NSCENE) {
  88                 puts("Very funny.");
  89                 exit(1);
  90         }
  91         cc = &scene[game];
  92         ls = SHIP(cc->vessels);
  93
  94         for (n = 0; n < NNATION; n++)
  95                 nat[n] = 0;
  96         foreachship(sp) {
  97                 if (sp->file == NULL &&
  98                     (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
  99                         puts("OUT OF MEMORY");
 100                         exit(1);
 101                 }
 102                 sp->file->index = sp - SHIP(0);
 103                 sp->file->stern = nat[sp->nationality]++;
 104                 sp->file->dir = sp->shipdir;
 105                 sp->file->row = sp->shiprow;
 106                 sp->file->col = sp->shipcol;
 107         }
 108         windspeed = cc->windspeed;
 109         winddir = cc->winddir;
 110
 111         signal(SIGHUP, (sig_t)choke);
 112         signal(SIGINT, (sig_t)choke);
 113
 114         hasdriver = sync_exists(game);
 115         if (sync_open() < 0) {
 116                 perror("sail: syncfile");
 117                 exit(1);
 118         }
 119
 120         if (hasdriver) {
 121                 puts("Synchronizing with the other players...");
 122                 fflush(stdout);
 123                 if (Sync() < 0)
 124                         leave(LEAVE_SYNC);
 125         }
 126         for (;;) {
 127                 foreachship(sp)
 128                         if (sp->file->captain[0] == 0 && !sp->file->struck
 129                             && sp->file->captured == 0)
 130                                 break;
 131                 if (sp >= ls) {
 132                         puts("All ships taken in that scenario.");
 133                         foreachship(sp)
 134                                 free((char *)sp->file);
 135                         sync_close(0);
 136                         people = 0;
 137                         goto reprint;
 138                 }
 139                 if (randomize) {
 140                         player = sp - SHIP(0);
 141                 } else {
 142                         printf("%s\n\n", cc->name);
 143                         foreachship(sp)
 144                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 145                                         sp->file->index,
 146                                         countryname[sp->nationality],
 147                                         sp->shipname,
 148                                         sp->specs->pts,
 149                                         saywhat(sp, 1));
 150                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 151                         fflush(stdout);
 152                         if (scanf("%d", &player) != 1 || player < 0
 153                             || player >= cc->vessels) {
 154                                 while (getchar() != '\n')
 155                                         ;
 156                                 puts("Say what?");
 157                                 player = -1;
 158                         } else
 159                                 while (getchar() != '\n')
 160                                         ;
 161                 }
 162                 if (player < 0)
 163                         continue;
 164                 if (Sync() < 0)
 165                         leave(LEAVE_SYNC);
 166                 fp = SHIP(player)->file;
 167                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 168                         puts("That ship is taken.");
 169                 else
 170                         break;
 171         }
 172
 173         ms = SHIP(player);
 174         mf = ms->file;
 175         mc = ms->specs;
 176
 177         Write(W_BEGIN, ms, 0, 0, 0, 0);
 178         if (Sync() < 0)
 179                 leave(LEAVE_SYNC);
 180
 181         signal(SIGCHLD, (sig_t)child);
 182         if (!hasdriver)
 183                 switch (fork()) {
 184                 case 0:
 185                         longjmp(restart, MODE_DRIVER);
 186                         /*NOTREACHED*/
 187                 case -1:
 188                         perror("fork");
 189                         leave(LEAVE_FORK);
 190                         break;
 191                 default:
 192                         hasdriver++;
 193                 }
 194
 195         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 196                 ms->shipname, mc->guns, classname[mc->class],
 197                 qualname[mc->qual]);
 198         if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
 199                 strncpy(captain, nameptr, sizeof captain);
 200         else {
 201                 printf("Your name, Captain? ");
 202                 fflush(stdout);
 203                 fgets(captain, sizeof captain, stdin);
 204                 if (!*captain)
 205                         strcpy(captain, "no name");
 206                 else
 207                         captain[sizeof(captain) - 1] = '\0';
 208         }
 209         Writestr(W_CAPTAIN, ms, captain);
 210         for (n = 0; n < 2; n++) {
 211                 char buf[10];
 212
 213                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 214                         n ? "right" : "left");
 215                 fflush(stdout);
 216                 scanf("%9s", buf);
 217                 switch (*buf) {
 218                 case 'g':
 219                         load = L_GRAPE;
 220                         break;
 221                 case 'c':
 222                         load = L_CHAIN;
 223                         break;
 224                 case 'r':
 225                         load = L_ROUND;
 226                         break;
 227                 case 'd':
 228                         load = L_DOUBLE;
 229                         break;
 230                 default:
 231                         load = L_ROUND;
 232                 }
 233                 if (n) {
 234                         mf->loadR = load;
 235                         mf->readyR = R_LOADED|R_INITIAL;
 236                 } else {
 237                         mf->loadL = load;
 238                         mf->readyL = R_LOADED|R_INITIAL;
 239                 }
 240         }
 241
 242         initscreen();
 243         draw_board();
 244         snprintf(message, sizeof message, "Captain %s assuming command",
 245                  captain);
 246         Writestr(W_SIGNAL, ms, message);
 247         newturn();
 248 }